Question 257095
From the given information, the formula for the nth term is
{{{T(n) = 4*3^(n-1)}}}
create a table to get
T(1) = 4*3^0 = 4
T(2) = 4*3^1 = 12
T(3) = 4*3^2 = 36
T(4) = 4*3^3 = 108
T(5) = 4*3^4 = 324
If we add the first 5 terms we get 484.
n = 5